package castle;

import java.util.*;

public class Game {
    private Room currentRoom;

    public Game() {
        createRooms();
    }

    public void createRooms() {
        Room outside, lobby, pub, study, bedroom;

        //创造房间
        outside = new Room("城堡外");
        lobby = new Room("大堂");
        pub = new Room("小酒吧");
        study = new Room("书房");
        bedroom = new Room("卧室");

        // 初始化房间的出口
        outside.setExits(null, lobby, study, pub);
        lobby.setExits(null, null, null, outside);
        pub.setExits(outside, bedroom, null, null);
        bedroom.setExits(null, null, null, study);

        currentRoom = outside;        //从城堡门外开始
    }

    private void printWelcome() {
        System.out.println();
        System.out.println("欢迎来到城堡!");
        System.out.println("这是一个超级无聊的游戏。");
        System.out.println("如果需要帮助，请输入'help'");
        System.out.println();
        System.out.println("现在你在:" + currentRoom);
        System.out.println("欢迎来到城堡");
        System.out.println("出口有：");
        if (currentRoom.northExit != null)
            System.out.print("north ");
        if (currentRoom.eastExit != null)
            System.out.print("east ");
        if (currentRoom.southExit != null)
            System.out.print("south ");
        if (currentRoom.westExit != null)
            System.out.print("west ");
        System.out.println();
    }

//  以下为用户命令

    private void printHelp() {
        System.out.println("迷路了吗？你可以做的命令有：go bye help");
        System.out.println("如：\tgo east");
    }

    private void goRoom(String direction) {
        Room nextRoom = null;
        if (direction.equals("north")) {
            nextRoom = currentRoom.northExit;
        }
        if (direction.equals("east")) {
            nextRoom = currentRoom.eastExit;
        }
        if (direction.equals("south")) {
            nextRoom = currentRoom.southExit;
        }
        if (direction.equals("west")) {
            nextRoom = currentRoom.westExit;
        }

        if (nextRoom == null) {
            System.out.println("那里没有门！");
        } else {
            currentRoom = nextRoom;
            System.out.println("你在" + currentRoom);
            System.out.println("出口有：");
            if (currentRoom.northExit != null)
                System.out.println("norh");
            if (currentRoom.eastExit != null)
                System.out.println("east");
            if (currentRoom.southExit != null)
                System.out.println("south");
            if (currentRoom.westExit != null)
                System.out.println("west");
            System.out.println();
        }
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        Game game = new Game();
        game.printWelcome();

        while (true) {
            String line = in.nextLine();
            String[] words = line.split(" ");
            if (words[0].equals("help")) {
                game.printHelp();
            } else if (words[0].equals("go")) {
                game.goRoom(words[1]);
            } else if (words[0].equals("bye")) {
                break;
            }
        }

        System.out.println("感谢您的光临。再见！");
        in.close();
    }
}
